544550040 has 80 divisors (see below), whose sum is σ = 1830304080. Its totient is φ = 145212480.

The previous prime is 544550029. The next prime is 544550057. The reversal of 544550040 is 40055445.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 544549986 and 544550013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80796 + ... + 87275.

It is an arithmetic number, because the mean of its divisors is an integer number (22878801).

Almost surely, 2^544550040 is an apocalyptic number.

It is an amenable number.

544550040 is an abundant number, since it is smaller than the sum of its proper divisors (1285754040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

544550040 is a wasteful number, since it uses less digits than its factorization.

544550040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168094 (or 168081 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 544550040 is about 23335.5959855325. The cubic root of 544550040 is about 816.6060592720.

The spelling of 544550040 in words is "five hundred forty-four million, five hundred fifty thousand, forty".